CN105428170A - Monostable permanent magnet moulded case circuit breaker - Google Patents
Monostable permanent magnet moulded case circuit breaker Download PDFInfo
- Publication number
- CN105428170A CN105428170A CN201510961200.8A CN201510961200A CN105428170A CN 105428170 A CN105428170 A CN 105428170A CN 201510961200 A CN201510961200 A CN 201510961200A CN 105428170 A CN105428170 A CN 105428170A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- fixed
- quick
- break
- iron core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 230000005389 magnetism Effects 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Electromagnets (AREA)
Abstract
The invention discloses a monostable permanent magnet moulded case circuit breaker with quick-break protection. The monostable permanent magnet moulded case circuit breaker comprises an operating mechanism, a quick-break mechanism, a linkage mechanism and a main loop, wherein the operating mechanism is connected with the main loop through the linkage mechanism; the operating mechanism comprises a static iron core, a movable iron core, a movable iron core connecting rod, coils, a permanent magnet and a brake-separating spring; the movable iron core is fixed on the movable iron core connecting rod, and positioned on the inner side of the static iron core; the coils are positioned between the static iron core and the movable iron core; the permanent magnet is arranged on an iron core column in the middle of the static iron core; the brake-separating spring is arranged between the permanent magnet and the movable iron core; the quick-break mechanism comprises a quick-break winding, a copper disc, an iron disc and an iron disc connecting rod; the quick-break winding is fixed on the front side of the exterior of the static iron core; the copper disc is fixed on the iron disc; the iron disc is fixed on the iron disc connecting rod; the iron disc connecting rod is fixedly connected with one end of the movable iron core connecting rod; and the copper disc is positioned between the iron disc and the quick-break winding. The monostable permanent magnet moulded case circuit breaker has the advantage that the monostable permanent magnet moulded case circuit breaker can realize complete electronic control on the brake-separating function, the switching-on function and the quick-break function.
Description
Technical field
the present invention relates to a kind of monostable permanent magnetism breaker of plastic casing, can be used for connecting high-low-voltage electrical equipment major loop, disjunction and protection.
Background technology
at present, breaker of plastic casing adopts manual-operating mechanism to add the form of release substantially, and operating mechanism adopts spring energy-storage, realizes that electric equipment major loop carries out connecting, disjunction and protection; The patent No. is the Electronic control that realized on original manual breaker of plastic casing basis by electric rotating machine energy storage mode of patent " a kind of breaker of plastic casing " of 201510094877.6, and the patent No. is the Electronic control that realized on original manual breaker of plastic casing basis by linear electric motors mode of patent " circuit breaker electric operating mechanism " of 201410829577.3; But above-mentioned patent and other existing patents realizing breaker of plastic casing, be all adopt retain original operating mechanism basis on the form of additional mechanism providing additional operation, although this form remains original manual operation function, but this mode makes original molded case circuit breaker mechanism more complicated, reduce the reliability of breaker of plastic casing, simultaneously on manual-operating mechanism basis, also to buy auxiliary electron controlling organization further, add the burden of user.
Summary of the invention
the present invention seeks to: provide a kind of and can realize the completely automatically controlled monostable permanent magnetism breaker of plastic casing of separating brake, combined floodgate and quick-break function.
technical scheme of the present invention is: a kind of monostable permanent magnetism breaker of plastic casing, comprises operating mechanism, quick-break mechanism, linkage, and major loop, and described operating mechanism is connected with described major loop by described linkage;
described operating mechanism comprises fixed core, dynamic unshakable in one's determination, dynamic connecting rod unshakable in one's determination, coil, permanent magnet, and tripping spring; Described dynamic iron core is fixed on described dynamic connecting rod unshakable in one's determination, and be positioned at inside described fixed core, described coil is between described fixed core and described dynamic iron core, and described permanent magnet is located on the core limb in the middle of described fixed core, and described tripping spring is located between described permanent magnet and described dynamic iron core;
described quick-break mechanism comprises quick-break winding, copper dish, iron pan, and iron pan connecting rod; Described quick-break winding is fixed on front side of described fixed core outside, described copper dish is fixed on described iron pan, described iron pan is fixed on described iron pan connecting rod, and described iron pan connecting rod is fixedly connected with described dynamic connecting rod one end unshakable in one's determination, and described copper dish is between described iron pan and described quick-break winding.
as preferred technical scheme, described linkage comprises angle spring, and L-type connecting rod; Described dynamic connecting rod end unshakable in one's determination is connected with described L-type connecting rod one end by driving shaft, the bending place of described L-type connecting rod is located on fixed rotating shaft, the described L-type connecting rod other end is located on limit shaft, and the bending place of described angle spring is fixed on described fixed rotating shaft simultaneously, and its one end is connected with described driving shaft.
as preferred technical scheme, described major loop comprises inlet wire, outlet, connecting line, moving conductive rod, static conductive rod, current sensor, and arc-extinguishing mechanism; Described current sensor is located on described inlet wire, described inlet wire is connected with described moving conductive rod by connecting line, described moving conductive rod is connected with described L-type connecting rod by described servo axis, and the other end of described angle spring is connected with described moving conductive rod top, and described static conductive rod is connected with described outlet.
as preferred technical scheme, described moving conductive rod end winding support has moving contact, and described static conductive rod end winding support has fixed contact, and described fixed contact is corresponding with described moving contact to be arranged, and described arc-extinguishing mechanism covers the motion path of described moving contact.
as preferred technical scheme, described dynamic iron core, described fixed core and described iron pan are made by permeability magnetic material;
described dynamic connecting rod unshakable in one's determination, described iron pan connecting rod are made by non-magnet material.
as preferred technical scheme, described inlet wire, described outlet, described connecting line, described moving conductive rod, described static conductive rod are made by electric conducting material;
described L-type connecting rod is made up of non-conducting material.
advantage of the present invention is:
1. the present invention is by the acting in conjunction of operating mechanism and quick-break mechanism, realizes separating brake, combined floodgate and quick-break function completely automatically controlled, can realize the function used of existing breaker of plastic casing, on this basis, compare existing spring mechanism breaker of plastic casing, simplify the structure, improve reliability;
2. quick-break mechanism of the present invention and operating mechanism are independently when acting on, and in above-mentioned making process, separating brake process, combined floodgate maintenance stage, all can realize the quick-break function of circuit breaker.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the gate-dividing state schematic diagram of monostable permanent magnetism breaker of plastic casing of the present invention;
fig. 2 is the making process schematic diagram of monostable permanent magnetism breaker of plastic casing of the present invention;
fig. 3 is the "on" position schematic diagram of monostable permanent magnetism breaker of plastic casing of the present invention;
wherein: 1 operating mechanism: 11 dynamic connecting rods unshakable in one's determination; 12 fixed cores; 13 coils; 14 is dynamic unshakable in one's determination; 15 permanent magnets; 16 tripping springs;
2 quick-break mechanisms: 21 quick-break windings; 22 bronze medal dishes; 23 iron pans; 24 iron pan connecting rods;
3 linkages: 31 jiaos of springs; 32L type connecting rod; 321 active rotating shafts; 322 fixed rotating shafts; 323 servo-actuated rotating shafts; 324 limit shafts;
4 major loops: 41 inlet wires; 42 current sensors; 43 connecting lines; 44 moving conductive rods; 441 moving contacts; 45 static conductive rods; 451 fixed contacts; 46 outlets; 47 arc-extinguishing mechanisms.
Embodiment
embodiment: with reference to shown in Fig. 1,2,3, a kind of monostable permanent magnetism breaker of plastic casing, comprises operating mechanism 1, quick-break mechanism 2, linkage 3, and major loop 4, and operating mechanism 1 is connected with quick-break mechanism 2, and operating mechanism 1 is in parallel with major loop 4 by linkage 3.
operating mechanism 1 of the present invention comprises fixed core 12, and dynamic unshakable in one's determination 14, dynamic connecting rod 11 unshakable in one's determination, coil 13, permanent magnet 15, and tripping spring 16; Dynamic unshakable in one's determination 14 are fixed on dynamic connecting rod unshakable in one's determination 11, and are positioned at inside fixed core 12, and coil 13 is between fixed core 12 and dynamic unshakable in one's determination 14, and permanent magnet 15 is located on the core limb in the middle of fixed core 12, and tripping spring 16 is located between permanent magnet 15 and dynamic unshakable in one's determination 14;
quick-break mechanism 2 of the present invention comprises quick-break winding 21, copper dish 22, iron pan 23, and iron pan connecting rod 24; Quick-break winding 21 is fixed on the outside front side of fixed core 12, and copper dish 22 is fixed on iron pan 23, and iron pan 23 is fixed on iron pan connecting rod 24, and iron pan connecting rod 24 is fixedly connected with dynamic connecting rod 11 one end unshakable in one's determination, and copper dish 22 is between iron pan 23 and quick-break winding 21.
linkage 3 of the present invention comprises angle spring 31, and L-type connecting rod 32; Dynamic connecting rod 11 end unshakable in one's determination is connected with L-type connecting rod 32 one end by active rotating shaft 321, the bending place of L-type connecting rod 32 is located on fixed rotating shaft 322, L-type connecting rod 32 other end is located on limit shaft 324, bending place with hour angle spring 31 is fixed on fixed rotating shaft 322, and its one end is connected with active rotating shaft 321.
major loop 4 of the present invention comprises inlet wire 41, outlet 46, connecting line 43, moving conductive rod 44, static conductive rod 45, current sensor 42, and arc-extinguishing mechanism 47; Current sensor 42 is located on inlet wire 41, inlet wire 41 is connected with moving conductive rod 44 by connecting line 43, moving conductive rod 44 is connected with L-type connecting rod 32 by servo-actuated rotating shaft 323, and the other end of angle spring 31 is connected with moving conductive rod 44 top, static conductive rod 45 is connected with outlet 46, and moving conductive rod 44 end winding support has moving contact 441, and static conductive rod 45 end winding support has fixed contact 451, fixed contact 441 is corresponding with moving contact 451 to be arranged, and arc-extinguishing mechanism 47 covers the motion path of moving contact 441.
dynamic unshakable in one's determination 14, fixed core 12 of the present invention and iron pan 23 are made by permeability magnetic material; Dynamic connecting rod 11 unshakable in one's determination, iron pan connecting rod 24 are made by non-magnet material, and inlet wire 41, outlet 46, connecting line 43, moving conductive rod 44, static conductive rod 45 are made by electric conducting material, and L-type connecting rod 32 is made up of non-conducting material.
concrete operation method of the present invention is as follows:
(1) with reference to shown in Fig. 1, under gate-dividing state, the moving contact 441 of moving conductive rod 44 is separated with the fixed contact 451 of static conductive rod 45, and dynamic unshakable in one's determination 14 are positioned near quick-break mechanism 2 side, and relies on tripping spring 16 counter-force between dynamic unshakable in one's determination 14 and permanent magnet 15 to keep.Be the first stable state of the present invention.
(2) with reference to Fig. 2, shown in 3, when needs close a floodgate, coil 13 forward is energized, produce electromagnetic force, dynamic unshakable in one's determination 14 drive dynamic connecting rod 11 unshakable in one's determination to away from quick-break mechanism 2 one lateral movement, under the acting in conjunction of active rotating shaft 321 and fixed rotating shaft 322, drive L-type connecting rod 32 to rotate, right rear overhang angle spring 31, the acting in conjunction of servo-actuated rotating shaft 323 and limit shaft 324, L-type connecting rod 32 drives moving conductive rod 44 to move downward, realize feed motion, in making process, after moving contact 441 contacts with fixed contact 451, moving conductive rod 44 is separated with limit shaft 324, angle spring 31 pairs of moving conductive rods 44 are relied on to carry out spacing, after contacting with permanent magnet 15 when dynamic unshakable in one's determination 14, complete making process, after making process completes, no longer electric current is passed in coil 13, kept by permanent magnetic between dynamic unshakable in one's determination 14 and permanent magnet 15.Be the second stable state of the present invention.
(3) with reference to shown in Fig. 1,3, when needs carry out separating brake, coil 13 is oppositely energized, dynamic unshakable in one's determination 14 to quick-break mechanism 2 one lateral movement, under the acting in conjunction of active rotating shaft 321 and fixed rotating shaft 322, drive L-type connecting rod 32 to rotate, the acting in conjunction of right rear overhang angle spring 31, servo-actuated rotating shaft 323 and limit shaft 324, L-type connecting rod 32 drives moving conductive rod 44 to move upward, realize separating brake action, after separating brake process completes, no longer pass into electric current in coil 13, operating mechanism 1 relies on tripping spring 16 counter-force between dynamic unshakable in one's determination 14 and permanent magnet 15 to keep.Return to first stable state of the present invention.
(4) with reference to Fig. 1, 2, shown in 3, when current sensor 42 detects major loop 4 current anomaly or when needing fast shut-off major loop 4, larger electric current is passed into quick-break winding 21, the eddy current that this electric current will cause on copper dish 22, and bring larger eddy current repulsion, because copper dish 22 is fixed on iron pan 23, iron pan 23 is connected with the connecting rod 11 dynamic unshakable in one's determination of operating mechanism 1 by iron pan connecting rod 24 again, the eddy current repulsion passing into electric current generation in quick-break winding 21 finally makes dynamic unshakable in one's determination 14 rapidly to quick-break mechanism 2 one lateral movement, make monostable permanent magnetism breaker of plastic casing of the present invention separating brake rapidly, thus to realize major loop 4 connect the protection act of load.
because quick-break mechanism 2 and operating mechanism 1 are all independently when acting on, in above-mentioned making process, separating brake process or combined floodgate maintenance stage, the quick-break function of circuit breaker all can be realized.
above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (6)
1. a monostable permanent magnetism breaker of plastic casing, is characterized in that, comprises operating mechanism, quick-break mechanism, linkage, and major loop, and described operating mechanism is connected with described major loop by described linkage;
Described operating mechanism comprises fixed core, dynamic unshakable in one's determination, dynamic connecting rod unshakable in one's determination, coil, permanent magnet, and tripping spring; Described dynamic iron core is fixed on described dynamic connecting rod unshakable in one's determination, and be positioned at inside described fixed core, described coil is between described fixed core and described dynamic iron core, and described permanent magnet is located on the core limb in the middle of described fixed core, and described tripping spring is located between described permanent magnet and described dynamic iron core;
Described quick-break mechanism comprises quick-break winding, copper dish, iron pan, and iron pan connecting rod; Described quick-break winding is fixed on front side of described fixed core outside, described copper dish is fixed on described iron pan, described iron pan is fixed on described iron pan connecting rod, and described iron pan connecting rod is fixedly connected with described dynamic connecting rod one end unshakable in one's determination, and described copper dish is between described iron pan and described quick-break winding.
2. monostable permanent magnetism breaker of plastic casing according to claim 1, it is characterized in that, described linkage comprises angle spring, and L-type connecting rod; Described dynamic connecting rod end unshakable in one's determination is connected with described L-type connecting rod one end by driving shaft, the bending place of described L-type connecting rod is located on fixed rotating shaft, the described L-type connecting rod other end is located on limit shaft, and the bending place of described angle spring is fixed on described fixed rotating shaft simultaneously, and its one end is connected with described driving shaft.
3. monostable permanent magnetism breaker of plastic casing according to claim 2, it is characterized in that, described major loop comprises inlet wire, outlet, connecting line, moving conductive rod, static conductive rod, current sensor, and arc-extinguishing mechanism; Described current sensor is located on described inlet wire, described inlet wire is connected with described moving conductive rod by connecting line, described moving conductive rod is connected with described L-type connecting rod by described servo axis, and the other end of described angle spring is connected with described moving conductive rod top, and described static conductive rod is connected with described outlet.
4. monostable permanent magnetism breaker of plastic casing according to claim 3, it is characterized in that, described moving conductive rod end winding support has moving contact, described static conductive rod end winding support has fixed contact, described fixed contact is corresponding with described moving contact to be arranged, and described arc-extinguishing mechanism covers the motion path of described moving contact.
5. monostable permanent magnetism breaker of plastic casing according to claim 1, is characterized in that,
Described dynamic iron core, described fixed core and described iron pan are made by permeability magnetic material;
Described dynamic connecting rod unshakable in one's determination, described iron pan connecting rod are made by non-magnet material.
6. monostable permanent magnetism breaker of plastic casing according to claim 3, is characterized in that,
Described inlet wire, described outlet, described connecting line, described moving conductive rod, described static conductive rod are made by electric conducting material;
Described L-type connecting rod is made up of non-conducting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961200.8A CN105428170A (en) | 2015-12-21 | 2015-12-21 | Monostable permanent magnet moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961200.8A CN105428170A (en) | 2015-12-21 | 2015-12-21 | Monostable permanent magnet moulded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105428170A true CN105428170A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510961200.8A Pending CN105428170A (en) | 2015-12-21 | 2015-12-21 | Monostable permanent magnet moulded case circuit breaker |
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| Country | Link |
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| CN (1) | CN105428170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658196A (en) * | 2017-11-14 | 2018-02-02 | 佳电气有限公司 | Trip gear and RCCB for RCCB |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026041A (en) * | 2007-03-28 | 2007-08-29 | 李乾伟 | Permanent-magnetic driven low-voltage air switch with manual breaker |
| CN101645376A (en) * | 2009-08-25 | 2010-02-10 | 北京四方华能电气设备有限公司 | Digitized intelligent rapid permanent-magnet breaker |
| EP2418667A2 (en) * | 2010-08-12 | 2012-02-15 | Hitachi Ltd. | Air circuit breaker |
| CN205282413U (en) * | 2015-12-21 | 2016-06-01 | 法泰电器（江苏）股份有限公司 | Monostable permanent magnetism moulded case circuit breaker |
-
2015
- 2015-12-21 CN CN201510961200.8A patent/CN105428170A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026041A (en) * | 2007-03-28 | 2007-08-29 | 李乾伟 | Permanent-magnetic driven low-voltage air switch with manual breaker |
| CN101645376A (en) * | 2009-08-25 | 2010-02-10 | 北京四方华能电气设备有限公司 | Digitized intelligent rapid permanent-magnet breaker |
| EP2418667A2 (en) * | 2010-08-12 | 2012-02-15 | Hitachi Ltd. | Air circuit breaker |
| CN205282413U (en) * | 2015-12-21 | 2016-06-01 | 法泰电器（江苏）股份有限公司 | Monostable permanent magnetism moulded case circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658196A (en) * | 2017-11-14 | 2018-02-02 | 佳电气有限公司 | Trip gear and RCCB for RCCB |
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Application publication date: 20160323 |
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